Glass-stable colored pigments
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United States of America Patent
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Apr 21, 1992
Grant Date -
N/A
app pub date -
Mar 7, 1991
filing date -
Mar 7, 1990
priority date (Note) -
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Abstract
Colored pigments having an improved stability in decorative colors, engobes, glazes, and enamels, based on platelet-type substrates coated with metal oxides, in which the coating is free from alkaline earth metal oxides and contains a colored metal oxide or metal hydroxide and at least 10% by weight of aluminum oxide, are outstandingly suitable for pigmenting glazes and enamels.
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Cited Art Landscape
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